There is a task within spring that is a set time automatic task scheduling with spring itself
Task is convenient to use, but he can do less than quartz.
You can use annotations and configuration in two ways, configured in the following ways
Introducing spring to the beginning of appcation.xml
<beans xmlns= "Http://www.springframework.org/schema/beans"
xmlns:xsi= "http://www.w3.org/2001/ Xmlschema-instance "
xmlns:aop=" HTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/AOP "
xmlns:context=" http:// Www.springframework.org/schema/context "
xmlns:task=" Http://www.springframework.org/schema/task "
xsi: schemalocation= "
Http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/ Spring-beans-4.0.xsd
HTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/AOP http://www.springframework.org/schema/aop/ Spring-aop-4.0.xsd
Http://www.springframework.org/schema/context http://www.springframework.org/schema/ Context/spring-context-4.0.xsd
Http://www.springframework.org/schema/task http://www.springframework.org/ Schema/task/spring-task-4.0.xsd "
default-lazy-init=" true >
<!--register Bean-->
<bean id= "Voicefileclearjob" class= "Com.zjr.modules.boss.job.VoiceFileClearJob"/> <bean id=
" Versionlistenjob "class=" Com.zjr.modules.boss.job.VersionListenJob "/> <bean id=" statjob "class="
Com.zjr.modules.opstat.job.StatJob "/>
<!--Open Task Scheduler (timer)-->
<task:scheduled-tasks>
<task:scheduled ref= "Voicefileclearjob" method= "execute" initial-delay= "5000" fixed-delay= "3600000"/>
<task:scheduled ref= "Versionlistenjob" method= "execute" initial-delay= "5000" fixed-delay= "5000"/> <task:scheduled ref= "statjob" method= "Statlgj
" cron= "0 59 23 * *?" />
<task:scheduled ref= "Statjob" method= "Statbadnameandqq" cron= "23 28 20 * *?" />
</task:scheduled-tasks>
The first task indicates that the Execute method in the Voicefileclearjob class is called after the program starts 5s, and then the Execute is invoked every one hours
The third task represents a daily 23:59 call to the Statlgj method in the Statjob class
Ref is a work class
Method is the way to execute in a work class
Initial-delay is the delay before the task is first invoked, in milliseconds
Fixed-delay is the delay that was called again after the last call was completed
Fixed-rate is the latency (without waiting for the last call to complete) that was called again after the previous call started
A cron is an expression that indicates when a task is scheduled. Cron expression:
A cron expression has a space-delimited time element of at least 6 (or possibly 7).
sequentially, in the order of
1. Seconds (0~59)
2. Minutes (0~59)
3. Hours (0~23)
4. Days (months) (0~31, but you need to consider the number of days of your month)
5. Month (0~11)
6. Days (weeks) (1~7 1=sun or Sun,mon,tue,wed,thu,fri,sat)
7. Year (1970-2099)
Each element can be a value (such as 6), a continuous interval (9-12), a time interval (8-18/4) (per 4 hours), a list (1,3,5), wildcard characters.because the two elements, "date in the month" and "date in the Week", are mutually exclusive, one of the settings must be set?
0 0 10,14,16 * *? Every day 10 o'clock in the morning, 2 o'clock in the afternoon, 4.
0 0/30 9-17 * *? Nine to five working hours every half hour
0 0 12? * WED says every Wednesday 12 o'clock noon
"0 0 12 * *" Every day 12 o'clock noon.
"0 15 10?" * * "Every 10:15 trigger
"0 15 10 * *" Every day 10:15 trigger
"0 15 10 * *? * "Every 10:15 trigger
"0 15 10 * *? 2005 "2005 Every day 10:15 triggers
"0 * 14 * *" is triggered every 1 minutes from 2 o'clock in the afternoon to 2:59 every day
"0 0/5 14 * *" is triggered every 5 minutes from 2 o'clock in the afternoon to 2:55 every day
"0 0/5 14,18 * * *" triggered every 5 minutes from 2 o'clock in the afternoon to 2:55 and 6 o'clock in the afternoon to 6:55 every day
"0 0-5 14 * *" is triggered every 1 minutes from 2 o'clock in the afternoon to 2:05 every day
"0 10,44 14?" 3 WED "Every March of Wednesday, 2:10 and 2:44 triggers
"0 15 10?" * Mon-fri "from Monday to Friday 10:15 trigger
"0 15 10 15 *" Every month 15th 10:15 trigger
"0 L *?" triggered 10:15 the last day of every month
"0 15 10?" * 6L "last Friday 10:15 trigger per month
"0 15 10?" * 6L 2002-2005 "2002 to 2005 monthly last Friday 10:15 trigger
"0 15 10?" * 6#3 "The third Friday 10:15 trigger per month
Some of the subexpression can contain ranges or lists
For example: a subexpression (days (weeks)) can be "Mon-fri", "Mon,wed,fri", "Mon-wed,sat"
The "*" character represents all possible values
Therefore, "*" represents the meaning of each month in the subexpression (month), and "*" in the subexpression (Day (week)) represents every day of the week
The '/' character is used to specify the increment of the value
For example, the expression "0/15" in a subexpression (minutes) starts from the No. 0 minute, every 15 minutes
The expression "3/20" in the subexpression (minutes) is the same as the meaning of every 20 minutes (it's "3,23,43") starting at the 3rd minute.
“。 "Character is used only for days (months) and days (weeks), two subexpression, indicating unspecified value
To avoid conflicts, you need to set the value of another subexpression to "when one of the 2 subexpression is assigned a value. ”
The "L" character is used only for days (months) and days (weeks) of two subexpression, which is the abbreviation for the word "last"
But it has different meanings in the two-subexpression.
In the day (month) subexpression, "L" means the last day of the one month
In the day (week) Self expression, "L" means the last day of the one week, which is the SAT
If there is a specific content before "L", it has other meanings.
For example: "6L" means the 6th day of the month, and "Fril" means the last Friday of the month.
Note: Do not specify a list or range when using the "L" parameter, because this can cause problems
Field |
|
allow |
|
special characters allowed by | value
Seconds |
|
0-59 |
|
, - * / |
Part |
|
0-59 |
|
, - * / |
Hours |
|
0-23 |
|
, - * / |
Date |
|
1-31 |
|
, - * ? /L W C |
Month |
|
1-12 or Jan-dec. |
|
, - * / |
Week |
|
1-7 or Sun-sat. |
|
, - * ? /L C # |
Years (optional) |
|
Leave Blank, 1970-2099 |
|
, - * / |